Question
When acid is added to the indicator- methyl orange, what
is the color observed?Solution
Methyl orange is a pH indicator frequently used in titration because of its clear and distinct colour variance at different pH values. Methyl orange shows red colour in acidic medium and yellow colour in basic medium. It is orange in neutral medium. Acidic Ph range is 1-7 and basic ph range is 7-14. 7 is the neutral value. Hence, option C is correct.
A neutral atom has 9 electrons and mass number is 19. What is the number of neutrons in the atom?
What happens when dilute hydrochloric acid is added to iron fillings ?
The force which opposes the relative motion between different layers of liquid or gases is called –
What is the name of the outermost layer of the Earth?
Which of the following is an unsaturated hydrocarbon ?
Which one of the following wave- lengths of light is most effective in photosynthesis?
_________ is a technique where the plants are grown with their roots suspended in the air.
Two identical metallic spheres are charged. One has +Q charge, the other –Q charge. They are connected by a conducting wire. After equilibrium:
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I. During inhalation ribs move out
II. During exhalation ribs move in
The leading producer of Muga silk in the world is:
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